X-UA-FCF

HTTP response header

Header usage statistics

X-UA-FCF response header information and usage statistics.
Websites using header X-UA-FCF8
Percentage of websites that use X-UA-FCF header<0.1%
Total discovered header values1
Header uses directivesNo
Header values are unique or randomNo
Most popular in the country GB

X-UA-FCF Directives

X-UA-FCF directives value information and usage statistics
DirectiveShareWebsites countUnique Values

X-UA-FCF header usage distribution by website rank



Geographical Distribution

Header usage distribution by websites across the globe.



Websites utilizing X-UA-FCF

List of websites that use X-UA-FCF header
DomainCountryRankContacts
www.risk.net United States51,800
www.waterstechnology.com United States129,675
www.centralbanking.com United States139,231
www.postonline.co.uk GB225,633
www.chartis-research.com GB349,371
www.insuranceage.co.uk GB384,551
See full domain list

Common header values

List of top common X-UA-FCF header values
Header valueValue prevalence
deny100.00%